Container with closure

ABSTRACT

A container closure assembly including a fitment secured to the outside of the neck of a resilient plastic bottle having a dispensing channel therein communicating with an outlet passage in a cap which is threaded onto the neck over the fitment. The assembly has dual seals against leakage and a self-cleaning outlet achieved by means of a wiping type of contact between a pin on the fitment and the surface of the cap opening as the cap is rotated toward its closed position. The outlet passage may be provided with channels to augment its size and provide for varying the discharge rate.

United States Patent Donald F. Armour 3,143,257 8/1964Mumford..................... 3,194,453 7/1965 Cherba.....

[72] Inventor Bloomfield, Conn.

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Attorneys-Michael J. Murphy and James C. Logomasini [54] CONTAINER WITHCLOSURE augment its size and provide for varying the discharge rate.

Patented May `11, 1971 2 Sheets-Sheet 1 56 l f/J 68 so F/GI INVENTOR.DONALD F. ARMOUR BY Q ATTORNEY:

Patented May l1, 1971 3,578,223

m 2 sheets-sheet 2 sseomas. I. 1ij n 41 I l. l lli 4 "r'll TAY .Po'umAKH H1 a uw F/G .ZZ DONALD F. ARM

ToRNl-:Y:

v BYWW from the container, it is conventional to utilize a fitmenthaving'a restricted outlet which is inserted into the neck of thebottle, in conjunction with a cap fixed to the bottle neck over thefitment for closing the outlet. Such a construction has' resulted inseveral undesirable efects. First, in dispensing the liquid it oftenwets the outer surface of the container and runs down the sides thereof,thereby distiguring the label and producing an unsightly package.Second, the cap has a closed top thus necessitating its removal beforethe contents may be dispensed through the fitment. Third, to cap thecontainer after filling and before use, the fitment must first be fittedon the neck and then the cap applied over they fitment, thus requiringtwo separate capping steps to close the package. Fourth, the size of theoutlet is fixed, so that whatever control is exerted over the flow ofthe contents is achieved only by the extent to which the resilientbottle sides are compressed by the user. Fifth, the design of thescrew-on threads of the cap and bottle requires substantial rotation ofthe cap to remove it axiallyin order to expose the outlet in thefitment.

Now there has been developed a novel closure assembly for overcoming theabove-mentioned objectionable effects.

Accordingly, it is the principal object of this invention to provide animproved structure for closing off an open end portion of a container.

It is an additional object of this invention to provide a containerhaving a restricted opening provided with a screw-on cap and a novelform of dispensing fitment, both of which are retained on the containerduring dispensing of the contents.

Itis a further object of this invention to provide a closure assemblywhich provides advantages in terms of simplicity of construction overpresently available closures.

Itis another object of this invention to provide the combination of acontainer having an unrestricted neck opening, a rotatable cap and adispensing fitment, wherein the cap is provided with a draining surfacewhich prevents and retards the flow of liquid contents over the sides ofthe container.

It is another object of this invention to provide a closure assemblywhich may be preassembled prior to application on the container which itis to close.'

It is a further object of this invention to provide a closure assemblyhaving structural provisions for varying the rate of flow of liquid outof the container on which it is installed.

It is a still further object of this invention to provide a dispensingtitment which can be easily applied in the unrestricted neck openingof-a container after filling of the container, and which does notrequire finishing the interior surface of the neck prior to applicationof the fitment.

It 4is yet another object of this invention to overcome the prior artdifficulties discussed above.

Other objects of this invention will in part be obvious and will in partappear hereinafter.

These and other objects are accomplished by providing a resilient.thermoplastic container having an open ended cylindrical neck, havingboth threads formed on its outer surface and projecting means which maybe an annular outwardly extending projection between the threads and itsupper extremity, a titment for the neck comprising a cylindrical centerportion, an annular shoulder extending outwardly from the lower end ofthe cylindrical portion, a wall section extending upwardly from theouter .periphery of the shoulderl generally'l parallel to the axis 'ofthe cylindrical portion, the space between the wall and the outersurface of the cylindrical portion defining an operi ended well, themaximum diameter of the wall section being less than the inside diameterof the neck, the wall section having a protrusion thereon extendinginwardly into thc well, a generally L-shaped portion extending outwardlyfrom the upper end of the wall section with the leg of said L extendingdownwardly. the downwardly extending its lower end with the interior ofthe container, and a pin centrally located with respect to the axis ofthe cylindrical portion and extending upwardly from the cylindricalportion; a cap for closing lthe container comprising a top wall and asidewall extending downwardly from the circumferential edge of the topwall, the sidewall having threads formed on its inner surface forcooperating with the threads on the neck to permit movement of the capaxially on the neck, a hollow cylindrical tubular member extendingdownwardly from the inner surface of the top wall adapted to fit withinthe well of the fitment and move therein with its outer surface insealing contact with the protrusion on the wall lsection of the fitmentand its inner surfacey radially outwardly of the channel in the surfaceof the cylindrical portion as the cap is moved axially along the neck,the top wall having a centrally located dome portion extending upwardlyfrom its outer surface havingadispensing passage therein having one endcommunicating with the hollow tubular member and the other end openingto the exterior of the container, the wall defining the dispensingoutlet adapted to wipingly engage the outer surface of the pin of thefitment as the cap moves downwardly on the neck to close the dispensingpassage, the wall of the dispensing outlet being out of engagement withthe pin when the cap is moved upwardly on the neck to permit material toflow from the interior of the container through the dispensing channelin the fitment and out the dispensing passage in the cap.

For a fuller understanding of the nature and objects of this invention,reference should be had to the following detailed description taken inconjunction with the accompanying drawings in which: A

FIG. l is an elevational view with parts separated illustrating theclosure assembly of the present invention.

FIG. Il is a sectional view taken along the line II-II of FIG. I;

FIG. III is a sectional, elevational view of an alternate form of thecap of the present invention;

FIG. IV is a schematic sectional, elevational view with parts brokenaway of an alternate form of the closure assembly;

FIG. V is a sectional view taken along the line V-V of FIG. lV; and

FIG. VI is a partially sectioned, schematic, elevational view of aportionof the closure assembly of FIG. V. With reference to the drawingswher'ein identical numerals refer to identical parts, there is shown inFIGS. I and II a closure assembly generally indicated as l0 embodyingthepresent invention. Closure assembly 10 comprises an open endedcylindrical neck I2 on a resilient thermoplastic bottle 32 having on itsouter surface threads 14 and projecting means which may be an annularoutwardly extending projection 16 between the upper end of the threadsand the upper extremity of the neck. Fitment 18 of' closure assembly l0comprises a cylindrical center portion 20 which may have a hollowinterior 22. Annular shoulder 24 extends radially outwardly from thelower end 26 of cylindrical portion 20. Wall section 28 is providedwhich extends upwardly from the outer periphery of shoulder 24 generallyparallel to the axis of lcylindrical portion 20. The annular spacebetween the inner surface of wall section 28 and the outer surface ofcylindrical portion 20 defines a wel-l 30 having an open top. Themaximum diameter of cylindrical wallsection 28 is less than theinsidediameter of neck l2 of container 32 in order to permit insertionof fitment 18 within neck l2 without interference. Wall section 28 hasat its upper end a protrusion 34 extending inwardly into space 30.Generally L-shaped member 36 is provided which extends outwardly anddownwardly at 38 from the upper end of wall section 28, the downwardlyextending portion 38 having adjacent its lower end an inwardly extendingbead 40 thereon for cooperation with projection I6 on the upper end ol'the container'neck to hold fitment 18 captively in place on neck l2when' the closure is in assembled form. Bead 40 and projection 16 alsofunction to prevent fitment 18 from rising off of neck l2 along withaxially movable cap 42 to be later described.

The cylindrical portion 20 of fitment 18 has at least one axiallyextending dispensing channel 4l in its outer periphery extending alongits entire length. When the closure assembly is in place on bottle 32,channel 4l communicates at its lower end with the interior of bottle 32.Fitment 18 further comprises pin 43 which is centrally located withrespect to the axis of cylindrical section 20, and extends upwardly fromthe top of section 20. y

A cap 42 is provided as part of closure assembly l0 for closingcontainer 32. Cap 42 comprises top wall 44 and sidewall 46 extendingdownwardly from the circumferential edge of top wall 44. Sidewall 46 hasthreads 48 formed on its inner surface for cooperation with threads 14on neck l2 to permit movement of cap 42 axially along neck l2. Cap 42further comprises a short hollow cylindrical tubular member 50 extendingdownwardly from the inner surface of top wall 44,

' which is adapted to fit within open topped well 30 of fitment 18 andto move therein with its outer surface S2 in continuous sealing contactwith protrusion 34 on wall section 28 of fitment 18. Thus cooperatingthreads 48 on cap 42 and threads 14 on neck l2 are isolated from theinterior of the container by means of the seal provided by the engagingsurfaces of protrusion 34 and tubular member 50, regardless of theposition of the cap 42 on the container, which may be either closed orpartially or completely open. The inner surface 54 of tubular member Sis designed to be radially outwardly of the outer surface of cylindricalportion of the fitment when the cap is in place on the container neck,thus providing for passage of the contents of container 32 through neckl2 and dispensing channel 4l. Top wall 44 of cap 42 has a centrallylocated dome portion 56 extending upwardly from its outer surface havinga dismnsing passage 58 therein. One end 60 of passage 58 communicateswith hollow tubular member 50 and the other end 62 opens to the exteriorof the container. Dome portion 56 has its upper surface 64 inwardlydished toward the centrally located outer end 62 of dispensing passage58 to permit residual liquid contents on its upper surface 64 to fiowback through the dispensing passage into the container while pin 43 isremoved from passage 58 and the closure assembly is in its openposition. Dome portion 56 further has a sharply defined circumferentialedge 66 on its upper surface which in conjunction with inwardly dishedportion 64 aids in preventing .residual liquidsrfrom dripping off thetop surface of the dome portion and down the side of the container. Thewall 68 defining dispensing passage 58 is adapted to wipingly engage theouter surface of pin 43 of the fitment as cap 42 is threaded downwardlyon neck l2 to seal outlet passage 58 of the cap of the closure assemblywhile at the same time cleaning residual liquid off the surface of pin43 and forcing it downwardly back into the container. Pin 43 of fitmentI8 may have its upper end tapered slightly inwardly to the extent ofaboutkj to provide a lead in for pin 43 into passage 58. The closureassembly, therefore, is provided with two seals when the cap is screweddownwardly on the neck, i.e., that between pin 43 and outlet 58 and thatbetween protrusion 34 and surface 52 of tubular member 50. When cap 42is rotated upwardly on neck l2, wall defining surface 68 of dispensingoutlet 58 moves out of engagement with pin 43 to permit material to flowfrom the interior of container 32 through dispensing channel 4l in thefitment 18 and then through dispensing outlet 58 in cap 42.

Locking means are provided which are associated with the outer surfaceof neck 12 and the inner surface of cap 42 to secure cap 42 on the neckwhile pennitting rotative movement thereof. These means, as depicted inthe embodiments, comprise an outwardly extending projection 70 at thebase of neck l2 below threads 14 and an inwardly extending annularprotrusion 72 on the inner surface of the cap adjacent its lower end andbelow threads 48. These means are positioned such that when they areengaged with cap 42 in its uppermost 4 position on the neck, the outersurface 52 of tubular member 50'is stillengaged with the sealing surfaceof protrusion 34 of wall section 28.A

Threads 14 on the container neck and threads 48 on the cap sidewall areof the fast rise multiple lead variety and in the embodiment shown aredouble lead threads. Multiple lead threads are two or more threads whichare superimposed along the axial length of a cylindrical surface in thespace normally occupied by a single thread. and accordingly permitincreased axial movement of the threaded piece for a giveny amount ofrotational movement over that obtainable with a single lead thread. Forexample, with a double lead thread on a neck having a diameter of about$4 inch, the distance of axial travel of the cap per revolution is Ainch versus Vs inch for a normal thread. Double lead threads, forexample, begin on a common plane perpendicular to the container axis andlikewise terminate on a common plane, with each of the single threadscomprising the double lead thread starting and terminating l apart fromeach other on the plane. This multi ple lead thread connectionpermits'rapid opening of the asas rapid closing thereof.

Cap 42 and fitment I8 may be preassembled so that the package producerhas only a single capping operation to perform on his filling line afterthe bottle if filled. Pin 43 of fitment i8 is initially inserted intopassage 58 in cap 42 as far as possible, thus bringing the outer surfaceof the pin and the wall of the passage, as well as protrusion 34 andouter surface 52 of tubular member 54, into frictional engagement tohold these parts together. After filling of bottle 32, protrusion 72 isresiliently forced beyond projection 70 on the neck, and cap 42 is thenscrewed downwardly on neck l2, which will eventually result in bead 40snapping over and cooperatively engaging projection I6 on the upper endof the neck, to lock the closure assembly on the bottle, with theunderside of the outwardly extending portion of L-shaped section 36 offitment 18 engaged against the upper surface of the bottle neck.

As a rather important feature of the present invention, the diameter ofthe lower end of fitment 18 as measured by the outside diameter of wallsection 28 is substantially less than the inside diameter of the bottleneck, to permit insertion of this lower end of the fitment into Itheneck while .locking the fitment on the outside of the neck. Because ofthe reduced diameter of the fitment, no auxiliary finishing operationsuch as reaming need be performed on the inner surface of the necksubsequent to molding, in order, for example, to be able to accept atight fitting plug. All that is necessary to prepare the bottle foracceptance of the closure assembly after molding is to expose the topsurface of the formed neck to a fly cutter or facing tool to provide asmooth finish on this surface against which seats the inner surface 35of the outwardly extending portion of the L-shaped portion of fitment18.

As pressure is developed within bottle 32 by the user pressing on theresilient sides thereof to decrease the internal volume, fitment I8tends to be forced upwardly away from the top of the neck because of thepressure within the bottle. However, this action is used in the presentinvention to advantage since any upward flexing of fitment 18 tends tocause sembly for quick dispensing of the container contents, as wellbead 40 to be forced inwardly and thereby even more tightly under thecooperating projection 16 at the top of the neck.

ln the embodiment illustrated in FIG. lll, an additional feature of thepresent invention is illustrated wherein the cap of the closure assemblyis provided with a covering 74 integrally joined to the top of domeportion 56 by a thinned peripheral section 76. Covering 74 functions torender the assembled package tamper proof, i.e., to readily permit thepurchaser to realize whether or not the package had been previouslyopened. Covering 74 likewise serves to protect the outlet opening of theclosure assembly from contamination from the surroundings. lt may beremoved by snapping it off at the thinned section 76 either manually orwith the assistance of a cutting instrument. The remaining parts of thecap of FIG. lll are similar to those previously described in FIGS. l andll.

In FIGS. IV-VI, there is illustrated yet another feature of the presentinvention wherein means are provided in the cap of the closure assemblyfor regulating the quantity of liquid emanating from the resilientcontainer, which"involves utilization of a series of slots in domeportion 56 extending outwardly from the periphery of passage 58 therein.In the cmbodiment shown, one elongated slot 80 is depicted whichexperipheral wall of dome portion 56. ln practice, this results usuallyin a drip-type of liquid discharge. Further provided Ain the domeportion of the cap of FIGS. IV and VI are a plurality of additionalslots 78 which are axially shorter than slot 80 and l which similarlyextend outwardly from and around the periphery of the wall defining thedispensing passage. Slots 78 extend axially upwardly from the innersurface of the dome portion, terminating short of the upper end of slot80. Liquid may flow out of the container in increased quantities overthat I possible with slot 80, while the upper end of pin 85 is inperipheral contact with the wall of the dispensing passage intermediatethe slots 78. In practice this usually results in a sprinkle orspray-type of discharge. Obviously the number of elongated or shortslots may vary from that shown, depending upon the desired rate ,ofdischarge of liquid as well as the viscosity thereof. When cap 82 isrotated upwardly on the container neck, such that the underside 90 ofdome portion 56 is completely above the top surface 86 of pin 85, thesize of the discharge outlet in the cap is at a maximum and representsthe pour" position of the closure assembly. Also, in this embodiment,there are shown a plurality of channels 92 in the outer surface of thecylindrical portion 94 of the fitment, instead of the single channel asdepicted in FIGS. I and II.

To insure proper positioning of channels 78 and 80 and outlet passage 58with respect to pin 85 to provide the particular desired discharge flowrate of the contents from the container, dual annular rings 96 and 98may be provided (FIG. Vl) above projection 100 around the insideperiphery of the sidewall of the cap, which cooperate with projection102 on the outer surface of the container neck so as to position thevarious outlet openings to provide either a drip, spray, pour or shutoffoutlet configuration. Rings 96 and 98, which may be either interruptedor continuous, do not extend radially inwardly as far as the lowennoststop projection 100. A pointer 104 may be molded in the outer surface ofthe sidewall of the cap and the words drip," spray," pour" and shut" maybe imprinted at 90 to each other on the surface of the upper bodyportion of the container. When the cap is in its uppermost position asdepicted in FIG. IV, maximum flow and a "pour ratc of discharge occurs.Rotation of the cap 90 to produce a downward movement thereof results incontact between ring 98 and projection 102 to retard further axialmovement of thc cap and position the outlet to provide a spray" rate ofdischarge on compressing the resilient sides of the container. In thisposition pointer 104 is aligned with the word spray" on the container.Further rotating of the cap so as to move it in a downward directionresults in projection 102 being resiliently forced beyond ring 98 andinto contact with upper ring 96 whereupon it is again retarded andresults in an outlet orientation which provides a dn'p" rate ofdischarge. Rotation 90 further results in a further resilient movementof projection 102 over ring 96 and the eventual complete closing of theoutlet, at which point the pointer 104 is aligned above the word shut"on the container. Suitable directions may be imprinted on the assembledpackage to 'explain this multiple positioning of the cap to provide avariable outlet opening.

The above description and particularly the drawings are set forth forpurposes of illustration only and are in no way to be n taken in alimited sense. Y

The container on which the closure assembly of the present inventionisapplied must be of the resilient squeeze variety and is preferablyfonned from, thermoplastic materials. Preferred materialsare'thermoplastics capable of being blow molded. Typical materials arelow, intermediate or high density Ipolyethylene, polypropylene,polystyreneor polymers of vinyl chloride.

The bottle and attachments provided by the present invention may be usedin any fluid application wherein it is desirable to restrict the flow ofcontents from the container, e.g.,

food products, cosmetics, powders, hair oils, etc. The vpreferredapplication is for dispensing liquid materials.

Although this invention has been described with a certain degree ofparticularity, it is understood that .the present disclosure has beenmade only by way of example, and that numerous changes in the details ofconstruction and in the combination and arrangement of parts may beresorted to without departing from the spirit and scope of the inventionhereinafter claimed.

lciaim; 1. In combination: y a. a resilient thermoplastic containerhaving an open ended cylindrical neck, the outer surface of said neckhaving threads formed thereon and projecting means situated between saidthreads and the upper extremity of the neck; b. a frtment for said neckcomprising 'a cylindrical center portion, an annular shoulder extendingoutwardly from the lower end of the cylindrical portion, a wall sectionextending upwardly from the outer periphery of the shoulder generallyparallel to the axis of the cylindrical portion, the space between saidwall and the outer surface of said cylindrical portion defining an openended well, the maximum diameter of said wall section being less thanthe inside diameter of said neck, said wall section having a protrusonthereon extending inwardly into said well, a generally L-shaped portionextending outwardly from the upper end of said wall section with the legof said L extending downwardly, said downwardly extending leg having aninwardly extending bead thereon for cooperation with the projectingmeans on the container neck to hold said fitmcnt in place on said neckwithout said wall section contacting said neck, said cylindrical portionhaving at least one dispensing channel formed in its outer peripheryextending along its length communicating at its lower end with theinterior of said container and a pin centrally located with respect tothe axisA of said cylindrical portion extending upwardly from saidcylindrical portron; c. a cap for closing said container comprising atop wall and a sidewall extending downwardly from the circumferentialedge of the top wall, said sidewall having threads formed on its innersurface for cooperation with the move therein with its outer surface insealing contact with4 the protruson on the wall section of the iitmentand its inner surface radially outwardly of the outer surface of saidcylindrical portion as said cap moves axially along said neck, said topwall having a centrally located dome portion extending upwardly from itsouter surface having a dispensing passage therein with one endcommunicating with said hollow tubular member and the other end openingto the exterior of the container, the wall defining said dispensingpassage adapted to wipingly engage the outer surface of the pin of saidfument as 'said cap moves downwardly on said neck to close saiddispensing passage, said wall of the dispensing passage being out ofengagement with said pin when said cap is moved upwardly on said neck topermit material to flow from the interior of said container through saiddispensing channel in the frtment and out said dispensing passage insaid cap and to permit residual material to flow back into the containerafter dispensing; and

d. locking means associated with the outer surfaces of said neck andsaid cap to hold said cap captive on said neck yet permit rotativemovement thereof.

2. ln combination: a. a resilient thermoplastic container having an openended b. a fitment for said neck comprising a cylindrical centerportion, an annular shoulder extending outwardly from the lower end ofthe cylindrical portion, a wall section ex tending upwardly from theouter periphery of the shoulder generally parallel to the axis of thecylindrical portion, the space between said wall and the outer surfaceof said cylindrical portion defining an open ended well, the maximumdiameter of said wall section being less than the inside diameter ofsaid neck, said wall section having a protrusion thereon extendinginwardly into said well, a generally L-shaped portion extendingoutwardly from the upper end of said wall section with the leg of said Lextending downwardly, said downwardly extending leg having an inwardlyextending bead thereon for cooperation with the projecting means on thecontainer neck to hold said 'itment in place on said neck without saidwall section contacting lsaid neck, said cylindrical portion having atleast one dispensing channel formed in its outer periphery extendingalong its length communicating at its lower end with the interior ofsaid container and a pin centrally located with respect to the axis ofsaid cylindrical portion extending upwardly from said cylindricalportion;

c. a cap for closing said container comprising a top wall and walladapted to fit within the well of said fitment and ymove therein withits outer surface in sealing contact with the protrusion on the wallsection of the f'itment and its inner surface radially outwardly of thechannel in the surface of said cylindrical portion as said cap movesaxially along said neck, said top wall having a centrally located domeportion extending upwardly from its outer surface having a dispensingpassage therein with one end communicating with said hollow tubularmember and the other end opening to the exterior of the container, thewall defining said dispensing passage adapted to wipingly engage theouter surface of the pin of said fitment as said cap moves downwardly onsaid neck to close said dispensing passage, said wall of the dispensingpassage also adapted to be out of engagement with said pin when said capis moved upwardly on said neck to permit material to tlow from theinterior of said container through said dispensing channel in thef'itment and out said dispensing passage in said cap, said dome portionalso having at least one elongated slot formed therein extendingoutwardly from the surface of said dispensing passage and extendingaxially upwardly in a direction sub stantially parallel to thedispensing passage, said slot terminating short of the outer surface ofthe dome portion, whereby liquid contents may flow out of said containerthrough said slot while an upper portion of the pin of said fitment isstill in contact with a lower portion of the surface of said dispensingpassage.

3. The structure of claim 2 wherein said cap has a plurality ofadditional slots in said dome portion which extend outwardly around theperiphery of the wall defining said dispensing passage, said slotsextending axially upwardly from the inner surface of said dome portionterminating short of the upper end of said elongated slot whereby thecontents of said container may flow through said slots in reducedamounts while the upper end of said pin is in peripheral contact with-the wail of said dispensing passage intermediate said slots.

4. The structure of claim 3 including means on said cap and neck forregistering said slots with respect to said pin as said cap is movedalong said neck.

1. In combination: a. a resilient thermoplastic container having an openended cylindrical neck, the outer surface of said neck having threadsformed thereon and projecting means situated between said threads andthe upper extremity of the neck; b. a fitment for said neck comprising acylindrical center portion, an annular shoulder extending outwardly fromthe lower end of the cylindrical portion, a wall section extendingupwardly from the outer periphery of the shoulder generally parallel tothe axis of the cylindrical portion, the space between said wall and theouter surface of said cylindrical portion defining an open ended well,the maximum diameter of said wall section being less than the insidediameter of said neck, said wall section having a protrusion thereonextending inwardly into said well, a generally L-shaped portionextending outwardly from the upper end of said wall section with the legof said L extending downwardly, said downwardly extending leg having aninwardly extending bead thereon for cooperation with the projectingmeans on the container neck to hold said fitment in place on said neckwithout said wall section contacting said neck, said cylindrical portionhaving at least one dispensing channel formed in its outer peripheryextending along its length communicating at its lower end with theinterior of said container and a pin centrally located with respect tothe axis of said cylindrical portion extending upwardly from saidcylindrical portion; c. a cap for closing said container comprising atop wall and a sidewall extending downwardly from the circumferentialedge of the top wall, said sidewall having threads formed on its innersurface for cooperation with the threads on said neck to permit movementof said cap axially along said neck, a hollow cylindrical tubular memberextending downwardly from the inner surface of said top wall adapted tofit within the well of said fitment and move therein with its outersurface in sealing contact with the protrusion on the wall section ofthe fitment and its inner surface radially outwardly of the outersurface of said cylindrical portion as said cap moves axially along saidneck, said top wall having a centrally located dome portion extendingupwardly from its outer surface having a dispensing passage therein withone end communicating with said hollow tubular member and the other endopening to the exterior of the container, the wall defining saiddispensing passage adapted to wipingly engage the outer surface of thepin of said fitment as said cap moves downwardly on said neck to closesaid dispensing passage, said wall of the dispensing passage being outof engagement with said pin when said cap is moved upwardly on said neckto permit material to flow from the interior of said container throughsaid dispensing channel in the fitment and out said dispensing passagein said cap and to permit residual material to flow back into thecontainer after dispensing; and d. locking means associated with theouter surfaces of said neck and said cap to hold said cap captive onsaid neck yet permit rotative movement thereof.
 2. In combination: a. aresilient thermoplastic container having an open ended cylindrical neck,the outer surface of said neck having threads formed thereon andprojecting means situated between said threads and the upper extremityof the neck; b. a fitment for said neck comprising a cylindrical centerportion, an annular shoulder extending outwardly from the lower end ofthe cylindrical portion, a wall section extending upwardly from theouter periphery of the shoulder generally parallel to the axis of thecylindrical portion, the space between said wall and the outer surfaceof said cylindrical portion defining an open ended well, the maximumdiameter of said wall section being less than the inside diameter ofsaid neck, said Wall section having a protrusion thereon extendinginwardly into said well, a generally L-shaped portion extendingoutwardly from the upper end of said wall section with the leg of said Lextending downwardly, said downwardly extending leg having an inwardlyextending bead thereon for cooperation with the projecting means on thecontainer neck to hold said fitment in place on said neck without saidwall section contacting said neck, said cylindrical portion having atleast one dispensing channel formed in its outer periphery extendingalong its length communicating at its lower end with the interior ofsaid container and a pin centrally located with respect to the axis ofsaid cylindrical portion extending upwardly from said cylindricalportion; c. a cap for closing said container comprising a top wall and asidewall extending downwardly from the circumferential edge of the topwall, said sidewall having threads formed on its inner surface forcooperation with the threads on said neck to permit movement of said capaxially along said neck, a hollow cylindrical tubular member extendingdownwardly from the inner surface of said top wall adapted to fit withinthe well of said fitment and move therein with its outer surface insealing contact with the protrusion on the wall section of the fitmentand its inner surface radially outwardly of the channel in the surfaceof said cylindrical portion as said cap moves axially along said neck,said top wall having a centrally located dome portion extending upwardlyfrom its outer surface having a dispensing passage therein with one endcommunicating with said hollow tubular member and the other end openingto the exterior of the container, the wall defining said dispensingpassage adapted to wipingly engage the outer surface of the pin of saidfitment as said cap moves downwardly on said neck to close saiddispensing passage, said wall of the dispensing passage also adapted tobe out of engagement with said pin when said cap is moved upwardly onsaid neck to permit material to flow from the interior of said containerthrough said dispensing channel in the fitment and out said dispensingpassage in said cap, said dome portion also having at least oneelongated slot formed therein extending outwardly from the surface ofsaid dispensing passage and extending axially upwardly in a directionsubstantially parallel to the dispensing passage, said slot terminatingshort of the outer surface of the dome portion, whereby liquid contentsmay flow out of said container through said slot while an upper portionof the pin of said fitment is still in contact with a lower portion ofthe surface of said dispensing passage.
 3. The structure of claim 2wherein said cap has a plurality of additional slots in said domeportion which extend outwardly around the periphery of the wall definingsaid dispensing passage, said slots extending axially upwardly from theinner surface of said dome portion terminating short of the upper end ofsaid elongated slot whereby the contents of said container may flowthrough said slots in reduced amounts while the upper end of said pin isin peripheral contact with the wall of said dispensing passageintermediate said slots.
 4. The structure of claim 3 including means onsaid cap and neck for registering said slots with respect to said pin assaid cap is moved along said neck.